yi-fuzzy-open (empty) → 0.1.0
raw patch · 4 files changed
+619/−0 lines, 4 filesdep +basedep +binarydep +containerssetup-changed
Dependencies added: base, binary, containers, data-default, directory, filepath, mtl, text, transformers-base, vector, yi, yi-language, yi-rope
Files
- LICENSE +340/−0
- Setup.hs +2/−0
- src/Yi/Fuzzy.hs +240/−0
- yi-fuzzy-open.cabal +37/−0
+ LICENSE view
@@ -0,0 +1,340 @@+GNU GENERAL PUBLIC LICENSE+ Version 2, June 1991++ Copyright (C) 1989, 1991 Free Software Foundation, Inc., <http://fsf.org/>+ 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA+ Everyone is permitted to copy and distribute verbatim copies+ of this license document, but changing it is not allowed.++ Preamble++ The licenses for most software are designed to take away your+freedom to share and change it. By contrast, the GNU General Public+License is intended to guarantee your freedom to share and change free+software--to make sure the software is free for all its users. This+General Public License applies to most of the Free Software+Foundation's software and to any other program whose authors commit to+using it. (Some other Free Software Foundation software is covered by+the GNU Lesser General Public License instead.) You can apply it to+your programs, too.++ When we speak of free software, we are referring to freedom, not+price. 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+ Setup.hs view
@@ -0,0 +1,2 @@+import Distribution.Simple+main = defaultMain
+ src/Yi/Fuzzy.hs view
@@ -0,0 +1,240 @@+{-# LANGUAGE DeriveDataTypeable #-}+{-# LANGUAGE DeriveGeneric #-}+{-# LANGUAGE OverloadedStrings #-}+{-# LANGUAGE ScopedTypeVariables #-}+{-# OPTIONS_HADDOCK show-extensions #-}++-- |+-- Module : Yi.Fuzzy+-- License : GPL-2+-- Maintainer : yi-devel@googlegroups.com+-- Stability : experimental+-- Portability : portable++-- TODO if need arises: factor out generic part that captures a pattern of+-- having an interactive minibuffer and a window that just renders some state.++module Yi.Fuzzy (fuzzyOpen) where++import Control.Applicative+import Control.Monad+import Control.Monad.Base+import Control.Monad.State (gets)+import Data.Binary+import Data.Default+import Data.List (isSuffixOf)+import qualified Data.Map.Strict as M+import Data.Monoid+import qualified Data.Text as T+import qualified Data.Text.Encoding as T+import Data.Typeable+import qualified Data.Vector as V+import GHC.Generics+import System.Directory (doesDirectoryExist, getDirectoryContents)+import System.FilePath ((</>))++import Yi+import Yi.Completion+import Yi.MiniBuffer+import qualified Yi.Rope as R+import Yi.Types+import Yi.Utils ()++-- FuzzyState is stored in minibuffer's dynamic state+data FuzzyState = FuzzyState+ { _fsItems :: !(V.Vector FuzzyItem)+ , fsSelectedIndex :: !(Maybe Int)+ , fsNeedle :: !T.Text+ } deriving (Show, Generic, Typeable)++data FuzzyItem+ = FileItem { _filePath :: !FilePath }+ | BufferItem { _bufferIdent :: !BufferId }+ deriving (Show, Typeable)++-- TODO: make subsequenceMatch work on Text+itemToString :: FuzzyItem -> String+itemToString (FileItem x) = x+itemToString (BufferItem (MemBuffer x)) = T.unpack x+itemToString (BufferItem (FileBuffer x)) = x++fuzzyOpen :: YiM ()+fuzzyOpen = do+ fileList <- fmap (fmap FileItem)+ (liftBase (getRecursiveContents "."))+ bufList <- fmap (fmap (BufferItem . ident . attributes))+ (withEditor (gets (M.elems . buffers)))+ promptRef <- withEditor (spawnMinibufferE "" (const localKeymap))+ let initialState =+ FuzzyState (V.fromList (fileList <> bufList))+ (Just 0)+ ""+ withGivenBuffer promptRef $ do+ putBufferDyn initialState+ withEditor (renderE initialState)++-- shamelessly stolen from Chapter 9 of Real World Haskell+-- takes about 3 seconds to traverse linux kernel, which is not too outrageous+-- TODO: check if it works at all with cyclic links+-- TODO: perform in background, limit file count or directory depth+getRecursiveContents :: FilePath -> IO [FilePath]+getRecursiveContents topdir = do+ names <- getDirectoryContents topdir+ let properNames = filter predicate names+ predicate fileName = and+ [ fileName `notElem` [".", "..", ".git", ".svn"]+ , not (".hi" `isSuffixOf` fileName)+ , not ("-boot" `isSuffixOf` fileName)+ ]+ paths <- forM properNames $ \name -> do+ let path = topdir </> name+ isDirectory <- doesDirectoryExist path+ if isDirectory+ then getRecursiveContents path+ else return [path]+ return (concat paths)++localKeymap :: Keymap+localKeymap =+ choice+ [ spec KEnter ?>>! openInThisWindow+ , ctrlCh 't' ?>>! openInNewTab+ , ctrlCh 's' ?>>! openInSplit+ , spec KEsc ?>>! cleanupE+ , ctrlCh 'g' ?>>! cleanupE+ , ctrlCh 'h' ?>>! updatingB (deleteB Character Backward)+ , spec KBS ?>>! updatingB (deleteB Character Backward)+ , spec KDel ?>>! updatingB (deleteB Character Backward)+ , ctrlCh 'a' ?>>! moveToSol+ , ctrlCh 'e' ?>>! moveToEol+ , spec KLeft ?>>! moveXorSol 1+ , spec KRight ?>>! moveXorEol 1+ , ctrlCh 'p' ?>>! modifyE decrementIndex+ , spec KUp ?>>! modifyE decrementIndex+ , ctrlCh 'n' ?>>! modifyE incrementIndex+ , spec KDown ?>>! modifyE incrementIndex+ , ctrlCh 'w' ?>>! updatingB (deleteB unitWord Backward)+ , ctrlCh 'u' ?>>! updatingB (moveToSol >> deleteToEol)+ , ctrlCh 'k' ?>>! updatingB deleteToEol+ ]+ <|| (insertChar >>! ((withCurrentBuffer updateNeedleB) >>= renderE))+ where updatingB :: BufferM () -> EditorM ()+ updatingB bufAction = withCurrentBuffer (bufAction >> updateNeedleB) >>= renderE++updateNeedleB :: BufferM FuzzyState+updateNeedleB = do+ needle <- R.toText <$> readLnB+ oldState <- getBufferDyn+ let intermediateState = oldState { fsNeedle = needle }+ newState = intermediateState+ { fsSelectedIndex =+ case V.toList (filteredItems intermediateState) of+ [] -> Nothing+ (_, index) : _ -> Just index+ }+ putBufferDyn newState+ return newState++filteredItems :: FuzzyState -> (V.Vector (FuzzyItem, Int))+filteredItems (FuzzyState items _ needle) =+ V.filter (subsequenceMatch (T.unpack needle) . itemToString . fst)+ (V.zip items (V.enumFromTo 0 (V.length items)))++modifyE :: (FuzzyState -> FuzzyState) -> EditorM ()+modifyE f = do+ prevState <- withCurrentBuffer getBufferDyn+ let newState = f prevState+ withCurrentBuffer (putBufferDyn newState)+ renderE newState++incrementIndex :: FuzzyState -> FuzzyState+incrementIndex fs@(FuzzyState _ Nothing _) = fs+incrementIndex fs@(FuzzyState _ (Just index) _) =+ let fitems = filteredItems fs+ steps = V.zipWith (\x y -> (snd x, snd y)) fitems (V.tail fitems)+ newIndex = case V.find ((== index) . fst) steps of+ Nothing -> Just index+ Just (_, nextIndex) -> Just nextIndex+ in fs { fsSelectedIndex = newIndex }++decrementIndex :: FuzzyState -> FuzzyState+decrementIndex fs@(FuzzyState _ Nothing _) = fs+decrementIndex fs@(FuzzyState _ (Just index) _) =+ let fitems = filteredItems fs+ steps = V.zipWith (\x y -> (snd x, snd y)) (V.tail fitems) fitems+ newIndex = case V.find ((== index) . fst) steps of+ Nothing -> Just index+ Just (_, prevIndex) -> Just prevIndex+ in fs { fsSelectedIndex = newIndex }++renderE :: FuzzyState -> EditorM ()+renderE fs@(FuzzyState _ selIndex _) = do+ let content = V.toList (fmap renderItem (filteredItems fs))+ -- TODO justify to actual screen width+ renderItem (item, itemIndex) = (T.justifyLeft 79 ' ' . mconcat)+ [ (if Just itemIndex == selIndex then "* " else " ")+ , renderItem' item+ ]+ renderItem' (FileItem x) = "File " <> T.pack x+ renderItem' (BufferItem (MemBuffer x)) = "Buffer " <> x+ renderItem' (BufferItem (FileBuffer x)) = "Buffer " <> T.pack x+ setStatus (content, defaultStyle)++openInThisWindow :: YiM ()+openInThisWindow = openRoutine (return ())++openInSplit :: YiM ()+openInSplit = openRoutine splitE++openInNewTab :: YiM ()+openInNewTab = openRoutine newTabE++openRoutine :: EditorM () -> YiM ()+openRoutine preOpenAction = do+ FuzzyState items mselIndex _ <- withCurrentBuffer getBufferDyn+ case mselIndex of+ Nothing -> printMsg "Nothing selected"+ Just selIndex -> do+ let action = case items V.! selIndex of+ FileItem x -> void (editFile x)+ BufferItem x -> withEditor $ do+ bufs <- gets (M.assocs . buffers)+ case filter ((== x) . ident . attributes . snd) bufs of+ [] -> error ("Couldn't find buffer" <> show x)+ (bufRef, _) : _ -> switchToBufferE bufRef+ withEditor $ do+ cleanupE+ preOpenAction+ action++insertChar :: Keymap+insertChar = textChar >>= write . insertB++cleanupE :: EditorM ()+cleanupE = clrStatus >> closeBufferAndWindowE++instance Binary FuzzyItem where+ put (FileItem x) = put (0 :: Int) >> put x+ put (BufferItem x) = put (1 :: Int) >> put x+ get = do+ tag :: Int <- get+ case tag of+ 0 -> liftM FileItem get+ 1 -> liftM BufferItem get+ _ -> error "Unexpected FuzzyItem Binary."++instance Binary FuzzyState where+ put (FuzzyState items index needle) = do+ put (V.length items)+ V.mapM_ put items+ put index+ put (T.encodeUtf8 needle)+ get = do+ itemCount <- get+ items <- liftM V.fromList (replicateM itemCount get)+ liftM2 (FuzzyState items) get (liftM T.decodeUtf8 get)++instance Default FuzzyState where+ def = FuzzyState mempty Nothing mempty++instance YiVariable FuzzyState
+ yi-fuzzy-open.cabal view
@@ -0,0 +1,37 @@+name: yi-fuzzy-open+version: 0.1.0+category: Development, Editor+synopsis: Fuzzy open plugin for Yi.+description:+ This plugin tries to do what ctrl-p does for vim and helm does for emacs.+license: GPL-2+license-file: LICENSE+author: AUTHORS+maintainer: yi-devel@googlegroups.com+homepage: https://github.com/yi-editor/yi-fuzzy-open+bug-reports: https://github.com/yi-editor/yi-fuzzy-open/issues+Cabal-Version: >= 1.6+tested-with: GHC==7.8.3+build-type: Simple++library+ hs-source-dirs: src+ exposed-modules:+ Yi.Fuzzy++ build-depends:+ base >= 4.6 && <5+ , binary+ , containers+ , data-default+ , directory+ , filepath+ , mtl+ , text+ , transformers-base+ , vector+ , yi >= 0.10.1+ , yi-language+ , yi-rope++ ghc-options: -Wall